shortwave

By the time the fifth year had passed, even shortwave reports had long since ceased.

And it was the same abroad, according to the few garbled reports thereafter obtainable only via ancient shortwave devices.

Much later, as they neared Riverview, Penny absently switched on the shortwave radio.

Like all cars belonging to the Swifts' key personnel, Bud's was equipped with a two-way shortwave radio.

Closing themselves into the car, the girls tried without success to get the outlaw shortwave station.